自己动手写的爬虫，简单实现，没有考虑分布式和云计算，不过使用了内存数据库-Write himself reptiles, simple implementation, without considering the distributed and cloud computing, but the use of the in-memory database

Since the emergence of this technology and the benefits it brings, Migrates to the cloud. This gives rise to a large number of open source and proprietary platforms for the implementation of this technology. First of all we explain the fundamentals o